#include <iostream>
using std::cout;
using std::endl;

namespace wd
{
int num = 100;

/* num; */

void print(){
    cout << num << endl;
	cout << "print()" << endl;
}
/* print(); */
}

namespace wd
{
int num2 = 18;
}

void test0(){
    using namespace wd;
    cout << num << endl;
    cout << num2 << endl;
}

int main(void){
    test0();
    return 0;
}
